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Article #12459Swap byte instruction - how high is the win?
From: Volker Herminghaus-Shirai
Date: Thu, 07 Jan 1993 07:40
Date: Thu, 07 Jan 1993 07:40
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Subject line almost says it all. Many modern processors have an instruction to swap the bytes in a word. Can one quantify the win of using this instruction vs. the equivalent sequence of instructions? How much silicon is needed? What applications win the most and how much? There must be *some* resaon why the RISC folks put it in, right? -- Volker Herminghaus-Shirai (vhs@qb.rhein-main.de), NeXTmail welcome Looks good on the outside, but - intel inside
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Newsgroups: comp.arch Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!Germany.EU.net!incom!orfeo!qb!vhs From: vhs@rhein-main.de (Volker Herminghaus-Shirai) Subject: Swap byte instruction - how high is the win? Message-ID: <1993Jan7.074052.19620@qb.rhein-main.de> Sender: vhs@qb.rhein-main.de (Volker Herminghaus-Shirai) Reply-To: vhs@rhein-main.de Date: Thu, 7 Jan 93 07:40:52 GMT Lines: 12